A primary source is a source that was created by a person who was there to witness it. So, the answer would be A, a document made by someone who actually saw an event. In other words, the document was written by someone who was there to witness the event.
The Manhattan Project was the code name for the American-led effort to develop a functional atomic weapon during World War II. The controversial creation and eventual use of the atomic bomb engaged some of the world’s leading scientific minds, as well as the U.S. military—and most of the work was done in Los Alamos, New Mexico, not the borough of New York City for which it was originally named
Answer:
The results of studies showing that cats improve the health of their owners.
The answer to this question is Longintudinal
Longintudinal research design is a tyoe of ressearch design that involved asking repetitive observations over same variables.
In a lot of cases, longintudinal research could take more than 10 years since the process is really long and repetitive.
